Browsing University Publications by Type "Article"
Now showing items 1-20 of 3443
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17- Hydroxylation Of Progesterone By Cunninghamella Echinulata On A Laboratory Fermentor Scale
( Qatar University , 1985 , Article)The mircrobiological transformation of progesterone by a local isolate of Cunninghamella echiiiulata using a laboratory fermentor was studied. Progresterone (10-50 g/1) wetted by Tween 80 was added to 48-hour old culture ... -
A 6th-order local approximation by a cubic curve
( Qatar University , 1997 , Article)We derive and present a MAPLE program for the construction of a parametric cubic polynomial curve which has sixth-order contract with a given smooth curve at a given point, thus providing a local sixth-order approximation ... -
A survey of teachers' and principals' view on grade retention
( Qatar University , 1999 , Article)This study surveyed teachers' and principals' views on grade retention in grades K-13. 833 teachers and principals, a sample representative of the school population in Lebanon, were asked to fill out a questionnaire on ... -
Abscisic acid, relative water content and water use efficiency of wheat plants In relation to grain pretreatment by phytohormones and irrigation with sea water
( Qatar University , 1999 , Article)Irrigation of wheat plants with sea water (10% and 25%) led to significant increase in free and bound ABA in the leaves, especially at 25%. The relative water content (RWC) of the sea water irrigated plants was either ... -
Abundance Of Insects And Mites Infesting Stored Grain And Animal Feed In Riyadh And Dammam Provinces, Saudi Arabia
( Qatar University , 1994 , Article)Insects and mites infesting wheat, maize and wheat bran, stored in plants at Riyadh and Dammam, Saudi Arabia, were scanned in 2 seasons, 1987 and 1988. Grains from the local markets and dust from both provinces were also ... -
Accelerating The Convergence Of Cubic Interpolation Method Using Concurrent Algorithm Based On The Transputer Technology
( Qatar University , 1992 , Article)This paper describes a concurrent method to speed up the convergence of the QIOM (Cubic Interpolation Optimization Method) to obtain the global minima for any nonlinear continuous function. The QIOM is a naturally slow, ... -
Access to justice for women victims of domestic violence in the Republic of Macedonia
( Bloomsbury Qatar Foundation Journals , 2013 , Article)In the recent decades as a result of feminist efforts, significant progress in addressing the issue of domestic violence on the international scene, as well as, on the national level have been made. However, there are still ... -
Accounting for Interaction and Individual Specific Effects in an Analysis of International Air Traveler Preferences
( Qatar University , 2014 , Article)selection decision based on contingency theory. Previous work has focused on main effects without eploring the significance of interaction or individual heterogeneity effects. Contingency theory suggests contextual and ... -
Accreditation of Engineering Programs In The USA
( Qatar University , 1989 , Article)Accreditation is a way of assessing the quality of education. In the United States accreditation of engineering programs is carried out by volunteers, engineering educators and practitioners who evaluate programs against ... -
Acid-Base Status Of Blood Of Varanus Griseus And Uromastyx Aegyptius
( Qatar University , 1984 , Article)1) A comparative study was carried out on the acid-base status of blood collected from five main blood vessels of two desert lizards, the monitor, Varanus griseus, and the dabb, Uromastyx aegyptius. 2) Blood of the monitor ... -
An Acoustic Study Of Fricative-To-Vowel Coarticulation In Arabic
( Qatar University , 1992 , Article)This study examines th carryover coarticulatory effecrs of consonantal context upon the acoustic characteristics of voqwia in Arabic. Five speaders read a list of 65 ev.c syllables containing various initial fricatives, ... -
The acquisition of five English Sentential Structures by Native Speakers of Arabic
( Qatar University , 1989 , Article)This cross-dimensional, exploratory study attempts at investigating the acquisition order of five sentential structures by native speakers of Arabic. A natural elicitation technique, in the form of a test written in English, ... -
Acute Toxicity Of Some Oil Dispersants To Mullet Fry ( Liza Macrolepis) Of The Arabian Gulf
( Qatar University , 1986 , Article)The acute toxicity of Shell LTX, Shell Concentrate, Servo CD 2000 and Exxon OSD 9217 were used to calculate 72 - hr. LC ci\ and toxicity curves to the Mullet Fry ( Liza macrolepis) under the Arabian Gulf conditions (Temp. ... -
Additions to the flora of Qatar
( Qatar University , 1997 , Article)Collections and earlier studies on the plants of Qatar are limited and of recent origin — since the seventies. The latest of these in 1983 (El Amin) listed 300 species belonging to 202 genera in 56 families. At present, a ... -
Adenylate Energy Charge As A Tool For Evaluating Sub-Lethal Toxicity
( Qatar University , 1999 , Article)Adenylate energy charge (AEC) is directly related to the cellular concentrations of the three adenylates nucleotides ATP, ADP and AMP. This biochemical index reaches high values (0.9) under optimal conditions but drops ... -
ADHERENCE TO THE 1999 BLUE RIBBON COMMITTEE GUIDELINES AND DIVIDEND PAYOUT POLICY: EVIDENCE FROM KUWAIT
( Qatar University , 2014 , Article)The objective of this research is to eamine the adherence to the Blue Ribbon Committee BC recommendations and its impact on corporate dividends policy in Kuwait. These recommendations are deemed ... -
The Adjoint Problem Of A Modified Sturm-Liouville Boundary Value Problem
( Qatar University , 1993 , Article)The authors give the solutions of the eigenvalue equation that is associated with a modified Stum-Liouille problem. The discrete specturm and hence the resolvent will be obtained by means of different types of solutions ... -
Admissibility conditions of a constitutional suit in the Islamic judicial system
( Bloomsbury Qatar Foundation Journals , 2015 , Article)A constitutional Suit, like any other Suit, must satisfy certain conditions, and while there are common and general conditions applicable to all types of Suits, there are special conditions that are only relevant to a ... -
Adsorptive Properties of a Desert Salsola Vermiculate Species from Synthetic Aqueous Solutions
( Qatar University , 2006 , Article)Pollution is becoming a major environmental problem and the current trend is to use available biomass to remove toxic substances from aqueous solutions. The preliminatry adsorption results on a natural Salsola Vermiculata ... -
Aeromagnetic Geophysical Investigation In El-Faiyum District, Western Desert, Egypt
( Qatar University , 1985 , Article)The present paper deals with the interpretation of the aeromagnetic survey executed over the Faiyum area. Western Desert, Egypt. Qualitative as well as quantitative interpretation of the aeromagnetic data were carried out ...